Occupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediateOccupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediateOccupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediateOccupied areas in building can be affected by noise generated in the level immediate Occupied areas in building can be affected by noise generated in the level immediateOccupied areas in building can be affected by noise generated in the level immediate